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Suppose that a certain college class contains 58 students. Of these, 31 are juniors, 28 are chemistry majors, and 11 are neither. A student is
Suppose that a certain college class contains 58 students. Of these, 31 are juniors, 28 are chemistry majors, and 11 are neither. A student is selected at random from the class.
(a) What is the probability that the student is both a junior and a chemistry major?(b) Given that the student selected is a junior, what is the probability that he is also a chemistry major?
Write your responses as fractions.
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